Question

What is the surface area? 5 mm 5 mm 4 mmPLEASE ANSWER ASAP​

Answer 1

Answer:

140 mm²

Step-by-step explanation:

SA = 2(5x5) + 2(5x5) + 2(4x5)

     = 50 + 50 + 40

     = 140 mm²

Answer 2

Seeming like a rectangle prism

• L=5mm
• B=5mm
• H=4mm

Surface area

$\\ \rm\hookrightarrow 2(LB+BH+LH)$

$\\ \rm\hookrightarrow 2(25+25+20)$

$\\ \rm\hookrightarrow 2(70)$

$\\ \rm\hookrightarrow 140mm^2$